Global Patent Index - EP 1216774 B1

EP 1216774 B1 20031015 - Clamping device with mandrel

Title (en)

Clamping device with mandrel

Title (de)

Spannvorrichtung mit einem Spanndorn

Title (fr)

Dispositif de préhension à mandrin

Publication

EP 1216774 B1 20031015 (DE)

Application

EP 01130131 A 20011219

Priority

DE 10063859 A 20001221

Abstract (en)

[origin: EP1216774A1] A hollow cylindrical tool or workpiece can be clamped on the clamping mandrel (1) which has round its circumference at least a groove (5) in which an elastic ring (4) is fitted. The ring has inclined slits so that as the mandrel rotates the segments formed by the slits through centrifugal force press outwards against the axial inner wall of the hollow cylindrical tool and provide it with a secure hold.

IPC 1-7

B23B 31/117; B23B 31/14

IPC 8 full level

B23B 31/117 (2006.01); B23B 31/14 (2006.01); B24B 45/00 (2006.01)

CPC (source: EP US)

B23B 31/1175 (2013.01 - EP); B23B 31/142 (2021.01 - EP US); B24B 45/00 (2013.01 - EP)

Designated contracting state (EPC)

CH DE GB IT LI

DOCDB simple family (publication)

EP 1216774 A1 20020626; EP 1216774 B1 20031015; DE 10063859 A1 20020725; DE 50100790 D1 20031120

DOCDB simple family (application)

EP 01130131 A 20011219; DE 10063859 A 20001221; DE 50100790 T 20011219